Contents Wiring diagrams Section: Exhaust All sections

Test Requirements Audi A4 B7

  1. Battery voltage at least 12.5 V
  2. Fuse for secondary air pump -S130- (40 A) in E-Box, plenum chamber (position B) OK.
  3. Fuse S234 (in fuse holder, position 34) OK.
  4. Ignition switched off.